A multichannel system for classifying particles according to one or more characteristics of the particles includes a plurality of flow cytometry units. Each flow cytometry unit is operable to classify particles in a mixture of particles by interrogating a stream of fluid containing particles using a ...

A flow cytometry system and method for sorting a mixture of particles with a fluid delivery system delivering a fluid containing particles, a flow cytometry apparatus for receiving the fluid, forming the fluid into a stream and using flow cytometry to classify the particles according to certain char ...

A system and method for sorting a mixture of stained particles in a fluid flow path, including stained particles from two distinguishable groups. The system and method can include an electromagnetic radiation source for exciting fluorescence emissions from the stained particles, a photodetector for ...

A method and apparatus for sorting stained particles in a fluid stream, each of the method and apparatus including an epi-illumination optics system with a focusing lens. The optics system being operable to direct a beam of electromagnetic radiation through the focusing lens in a forward direction a ...

A system and method for sorting a mixture of stained particles including a digital signal processor for analyzing and classifying the digital information generated from the particles and providing a sorting signal to a sorting system as a function of the analyzed and classified digital information.

A flow cytometry nozzle and method for orienting sperm cells in a fluid flow path including an interior surface of a nozzle. The interior surface of the nozzle having a first, a second and a third axially tapered region for progressively accelerating the speed of a fluid stream in a downstream direc ...

A multi-channel apparatus for classifying particles according to one or more particle characteristics may have a plurality of flow cytometry units, each of which is operable to classify particles in a mixture of particles by interrogating a stream of fluid containing the particles with a beam of ele ...

A method of sorting stained particles in a flow cytometer by generating a mathematical model based upon extracted features of waveform pulses produced in response to the stained particles. Waveform pulses can then be analyzed to determine the probability the stained particles belong in either a firs ...

A multi-channel system and methods for sorting particles according to one or more characteristics of the particles. The system includes multiple flow cytometry units, each unit can have a nozzle for producing a fluid stream containing a desired population of particles in a mixture of particles. Each ...

An apparatus and method for analyzing characteristics of particles in a fluid stream. The particles may be intermittently illuminated at an interrogation location with a pulsed laser. A time-varying signal produced in response to the illumination may be analyzed as a function of a timing signal in o ...